Added list-branches.ps1

Scripts/fetch-repos.ps1

@@ -1,35 +1,27 @@
 #!/bin/powershell
 <#
-.SYNTAX         ./fetch-repos.ps1 [<directory>]
+.SYNTAX         ./fetch-repos.ps1 [<repo-dir>]
 .DESCRIPTION	fetches all Git repositories under the current/given directory (including submodules)
 .LINK		https://github.com/fleschutz/PowerShell
 .NOTES		Author:	Markus Fleschutz / License: CC0
 #>
 
-param($Directory = "")
-
-if ($Directory -eq "") {
-	$Directory = "$PWD"
-}
+param($RepoDir = "$PWD")
 
 try {
-	& git --version
+	$null = $(git --version)
 } catch {
 	write-error "ERROR: can't execute 'git' - make sure Git is installed and available"
 	exit 1
 }
 
 try {
-	$Files = get-childItem -path $Directory
-	foreach ($File in $Files) {
-		if ($File.Mode -like "d*") {
-			$Filename = $File.Name
-			write-progress "Fetching $Filename ..."
-			set-location $Filename
-			& git fetch --recurse-submodules
-			set-location ..
-		} 
-	}
+	write-progress "Fetching repository $RepoDir ..."
+	set-location $RepoDir
+	& git fetch --recurse-submodules
+	if ($lastExitCode -ne "0") { throw "'git fetch --recurse-submodules' failed" }
+
+	write-host -foregroundColor green "OK - fetched repository $RepoDir"
 	exit 0
 } catch {
 	write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"